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Finding the Fourth Proportional to 101,993.58, 152,991.18 and 35,434.26

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Solution

The fourth proportional to 101,993.58, 152,991.18 and 35,434.26 is: 53,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,993.58 : 152,991.18 = 35,434.26 : x
  2. Step 2: Convert to fraction form
    101,993.58/152,991.18 = 35,434.26/x
  3. Step 3: Cross multiply
    101,993.58x = 152,991.18 × 35,434.26
  4. Step 4: Simplify right side
    101,993.58x = 5,421,129,249.83
  5. Step 5: Solve for x
    x = 5,421,129,249.83/101,993.58
  6. Step 6: Final answer
    x = 53,151.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.